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EN 1.4910 Stainless Steel vs. EN 1.6771 Steel

Both EN 1.4910 stainless steel and EN 1.6771 steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4910 stainless steel and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
280 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 41
8.0 to 8.7
Fatigue Strength, MPa 250
440 to 680
Impact Strength: V-Notched Charpy, J 98
20 to 32
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 650
930 to 1180
Tensile Strength: Yield (Proof), MPa 290
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 54
25
Embodied Water, L/kg 150
58

Common Calculations

PREN (Pitting Resistance) 27
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1460 to 3450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
33 to 41
Strength to Weight: Bending, points 21
27 to 31
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 14
27 to 35

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0 to 0.040
0.27 to 0.33
Chromium (Cr), % 16 to 18
0.8 to 1.2
Iron (Fe), % 62 to 69.9
92.2 to 95
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.3 to 0.6
Nickel (Ni), % 12 to 14
3.0 to 4.0
Nitrogen (N), % 0.1 to 0.18
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.020